225266 has 8 divisors (see below), whose sum is σ = 340464. Its totient is φ = 111780.

The previous prime is 225263. The next prime is 225287. The reversal of 225266 is 662522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (225263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20 + ... + 671.

It is an arithmetic number, because the mean of its divisors is an integer number (42558).

2²²⁵²⁶⁶ is an apocalyptic number.

225266 is a deficient number, since it is larger than the sum of its proper divisors (115198).

225266 is a wasteful number, since it uses less digits than its factorization.

225266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856.

The product of its digits is 1440, while the sum is 23.

The square root of 225266 is about 474.6219548230. The cubic root of 225266 is about 60.8459788978.

Adding to 225266 its reverse (662522), we get a palindrome (887788).

The spelling of 225266 in words is "two hundred twenty-five thousand, two hundred sixty-six".